Home / 31,353.05-47,024.16-8,865.32

Finding the Fourth Proportional to 31,353.05, 47,024.16 and 8,865.32

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Solution

The fourth proportional to 31,353.05, 47,024.16 and 8,865.32 is: 13,296.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,353.05 : 47,024.16 = 8,865.32 : x
  2. Step 2: Convert to fraction form
    31,353.05/47,024.16 = 8,865.32/x
  3. Step 3: Cross multiply
    31,353.05x = 47,024.16 × 8,865.32
  4. Step 4: Simplify right side
    31,353.05x = 416,884,226.13
  5. Step 5: Solve for x
    x = 416,884,226.13/31,353.05
  6. Step 6: Final answer
    x = 13,296.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.